create.c revision 1.48
1 /* $NetBSD: create.c,v 1.48 2005/09/02 17:12:38 elad Exp $ */ 2 3 /*- 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #if HAVE_NBTOOL_CONFIG_H 33 #include "nbtool_config.h" 34 #endif 35 36 #include <sys/cdefs.h> 37 #if defined(__RCSID) && !defined(lint) 38 #if 0 39 static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93"; 40 #else 41 __RCSID("$NetBSD: create.c,v 1.48 2005/09/02 17:12:38 elad Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/param.h> 46 #include <sys/stat.h> 47 48 #if ! HAVE_NBTOOL_CONFIG_H 49 #include <dirent.h> 50 #endif 51 52 #include <errno.h> 53 #include <fcntl.h> 54 #include <grp.h> 55 #include <pwd.h> 56 #include <stdio.h> 57 #include <stdarg.h> 58 #include <stdlib.h> 59 #include <string.h> 60 #include <time.h> 61 #include <unistd.h> 62 63 #ifndef NO_MD5 64 #include <md5.h> 65 #endif 66 #ifndef NO_RMD160 67 #include <rmd160.h> 68 #endif 69 #ifndef NO_SHA1 70 #include <sha1.h> 71 #endif 72 #ifndef NO_SHA2 73 #include <crypto/sha2.h> 74 #endif 75 76 #include "extern.h" 77 78 #define INDENTNAMELEN 15 79 #define MAXLINELEN 80 80 81 static gid_t gid; 82 static uid_t uid; 83 static mode_t mode; 84 static u_long flags; 85 86 static int dsort(const FTSENT **, const FTSENT **); 87 static void output(int *, const char *, ...) 88 __attribute__((__format__(__printf__, 2, 3))); 89 static int statd(FTS *, FTSENT *, uid_t *, gid_t *, mode_t *, u_long *); 90 static void statf(FTSENT *); 91 92 void 93 cwalk(void) 94 { 95 FTS *t; 96 FTSENT *p; 97 time_t clocktime; 98 char host[MAXHOSTNAMELEN + 1]; 99 char *argv[2]; 100 char dot[] = "."; 101 argv[0] = dot; 102 argv[1] = NULL; 103 104 time(&clocktime); 105 gethostname(host, sizeof(host)); 106 host[sizeof(host) - 1] = '\0'; 107 printf( 108 "#\t user: %s\n#\tmachine: %s\n#\t tree: %s\n#\t date: %s", 109 getlogin(), host, fullpath, ctime(&clocktime)); 110 111 if ((t = fts_open(argv, ftsoptions, dsort)) == NULL) 112 mtree_err("fts_open: %s", strerror(errno)); 113 while ((p = fts_read(t)) != NULL) { 114 if (check_excludes(p->fts_name, p->fts_path)) { 115 fts_set(t, p, FTS_SKIP); 116 continue; 117 } 118 switch(p->fts_info) { 119 case FTS_D: 120 printf("\n# %s\n", p->fts_path); 121 statd(t, p, &uid, &gid, &mode, &flags); 122 statf(p); 123 break; 124 case FTS_DP: 125 if (p->fts_level > 0) 126 printf("# %s\n..\n\n", p->fts_path); 127 break; 128 case FTS_DNR: 129 case FTS_ERR: 130 case FTS_NS: 131 mtree_err("%s: %s", 132 p->fts_path, strerror(p->fts_errno)); 133 break; 134 default: 135 if (!dflag) 136 statf(p); 137 break; 138 139 } 140 } 141 fts_close(t); 142 if (sflag && keys & F_CKSUM) 143 mtree_err("%s checksum: %u", fullpath, crc_total); 144 } 145 146 static void 147 statf(FTSENT *p) 148 { 149 u_int32_t len, val; 150 int fd, indent; 151 const char *name; 152 #if !defined(NO_MD5) || !defined(NO_RMD160) || !defined(NO_SHA1) || !defined(NO_SHA2) 153 char digestbuf[MAXHASHLEN + 1]; 154 #endif 155 156 indent = printf("%s%s", 157 S_ISDIR(p->fts_statp->st_mode) ? "" : " ", vispath(p->fts_name)); 158 159 if (indent > INDENTNAMELEN) 160 indent = MAXLINELEN; 161 else 162 indent += printf("%*s", INDENTNAMELEN - indent, ""); 163 164 if (!S_ISREG(p->fts_statp->st_mode)) 165 output(&indent, "type=%s", inotype(p->fts_statp->st_mode)); 166 if (keys & (F_UID | F_UNAME) && p->fts_statp->st_uid != uid) { 167 if (keys & F_UNAME && 168 (name = user_from_uid(p->fts_statp->st_uid, 1)) != NULL) 169 output(&indent, "uname=%s", name); 170 else /* if (keys & F_UID) */ 171 output(&indent, "uid=%u", p->fts_statp->st_uid); 172 } 173 if (keys & (F_GID | F_GNAME) && p->fts_statp->st_gid != gid) { 174 if (keys & F_GNAME && 175 (name = group_from_gid(p->fts_statp->st_gid, 1)) != NULL) 176 output(&indent, "gname=%s", name); 177 else /* if (keys & F_GID) */ 178 output(&indent, "gid=%u", p->fts_statp->st_gid); 179 } 180 if (keys & F_MODE && (p->fts_statp->st_mode & MBITS) != mode) 181 output(&indent, "mode=%#o", p->fts_statp->st_mode & MBITS); 182 if (keys & F_DEV && 183 (S_ISBLK(p->fts_statp->st_mode) || S_ISCHR(p->fts_statp->st_mode))) 184 output(&indent, "device=%#x", p->fts_statp->st_rdev); 185 if (keys & F_NLINK && p->fts_statp->st_nlink != 1) 186 output(&indent, "nlink=%u", p->fts_statp->st_nlink); 187 if (keys & F_SIZE && S_ISREG(p->fts_statp->st_mode)) 188 output(&indent, "size=%lld", (long long)p->fts_statp->st_size); 189 #if defined(BSD4_4) && !defined(HAVE_NBTOOL_CONFIG_H) 190 if (keys & F_TIME) 191 output(&indent, "time=%ld.%ld", 192 (long)p->fts_statp->st_mtimespec.tv_sec, 193 p->fts_statp->st_mtimespec.tv_nsec); 194 #else 195 output(&indent, "time=%ld.%ld", 196 p->fts_statp->st_mtime, 0); 197 #endif 198 if (keys & F_CKSUM && S_ISREG(p->fts_statp->st_mode)) { 199 if ((fd = open(p->fts_accpath, O_RDONLY, 0)) < 0 || 200 crc(fd, &val, &len)) 201 mtree_err("%s: %s", p->fts_accpath, strerror(errno)); 202 close(fd); 203 output(&indent, "cksum=%lu", (long)val); 204 } 205 #ifndef NO_MD5 206 if (keys & F_MD5 && S_ISREG(p->fts_statp->st_mode)) { 207 if (MD5File(p->fts_accpath, digestbuf) == NULL) 208 mtree_err("%s: %s", p->fts_accpath, "MD5File"); 209 output(&indent, "md5=%s", digestbuf); 210 } 211 #endif /* ! NO_MD5 */ 212 #ifndef NO_RMD160 213 if (keys & F_RMD160 && S_ISREG(p->fts_statp->st_mode)) { 214 if (RMD160File(p->fts_accpath, digestbuf) == NULL) 215 mtree_err("%s: %s", p->fts_accpath, "RMD160File"); 216 output(&indent, "rmd160=%s", digestbuf); 217 } 218 #endif /* ! NO_RMD160 */ 219 #ifndef NO_SHA1 220 if (keys & F_SHA1 && S_ISREG(p->fts_statp->st_mode)) { 221 if (SHA1File(p->fts_accpath, digestbuf) == NULL) 222 mtree_err("%s: %s", p->fts_accpath, "SHA1File"); 223 output(&indent, "sha1=%s", digestbuf); 224 } 225 #endif /* ! NO_SHA1 */ 226 #ifndef NO_SHA2 227 if (keys & F_SHA256 && S_ISREG(p->fts_statp->st_mode)) { 228 if (SHA256_File(p->fts_accpath, digestbuf) == NULL) 229 mtree_err("%s: %s", p->fts_accpath, "SHA256_File"); 230 output(&indent, "sha256=%s", digestbuf); 231 } 232 if (keys & F_SHA384 && S_ISREG(p->fts_statp->st_mode)) { 233 if (SHA384_File(p->fts_accpath, digestbuf) == NULL) 234 mtree_err("%s: %s", p->fts_accpath, "SHA384_File"); 235 output(&indent, "sha384=%s", digestbuf); 236 } 237 if (keys & F_SHA512 && S_ISREG(p->fts_statp->st_mode)) { 238 if (SHA512_File(p->fts_accpath, digestbuf) == NULL) 239 mtree_err("%s: %s", p->fts_accpath, "SHA512_File"); 240 output(&indent, "sha512=%s", digestbuf); 241 } 242 #endif /* ! NO_SHA2 */ 243 if (keys & F_SLINK && 244 (p->fts_info == FTS_SL || p->fts_info == FTS_SLNONE)) 245 output(&indent, "link=%s", vispath(rlink(p->fts_accpath))); 246 #if HAVE_STRUCT_STAT_ST_FLAGS 247 if (keys & F_FLAGS && p->fts_statp->st_flags != flags) 248 output(&indent, "flags=%s", 249 flags_to_string(p->fts_statp->st_flags, "none")); 250 #endif 251 putchar('\n'); 252 } 253 254 /* XXX 255 * FLAGS2INDEX will fail once the user and system settable bits need more 256 * than one byte, respectively. 257 */ 258 #define FLAGS2INDEX(x) (((x >> 8) & 0x0000ff00) | (x & 0x000000ff)) 259 260 #define MTREE_MAXGID 5000 261 #define MTREE_MAXUID 5000 262 #define MTREE_MAXMODE (MBITS + 1) 263 #if HAVE_STRUCT_STAT_ST_FLAGS 264 #define MTREE_MAXFLAGS (FLAGS2INDEX(CH_MASK) + 1) /* 1808 */ 265 #else 266 #define MTREE_MAXFLAGS 1 267 #endif 268 #define MTREE_MAXS 16 269 270 static int 271 statd(FTS *t, FTSENT *parent, uid_t *puid, gid_t *pgid, mode_t *pmode, 272 u_long *pflags) 273 { 274 FTSENT *p; 275 gid_t sgid; 276 uid_t suid; 277 mode_t smode; 278 u_long sflags = 0; 279 const char *name; 280 gid_t savegid; 281 uid_t saveuid; 282 mode_t savemode; 283 u_long saveflags; 284 u_short maxgid, maxuid, maxmode, maxflags; 285 u_short g[MTREE_MAXGID], u[MTREE_MAXUID], 286 m[MTREE_MAXMODE], f[MTREE_MAXFLAGS]; 287 static int first = 1; 288 289 savegid = *pgid; 290 saveuid = *puid; 291 savemode = *pmode; 292 saveflags = *pflags; 293 if ((p = fts_children(t, 0)) == NULL) { 294 if (errno) 295 mtree_err("%s: %s", RP(parent), strerror(errno)); 296 return (1); 297 } 298 299 memset(g, 0, sizeof(g)); 300 memset(u, 0, sizeof(u)); 301 memset(m, 0, sizeof(m)); 302 memset(f, 0, sizeof(f)); 303 304 maxuid = maxgid = maxmode = maxflags = 0; 305 for (; p; p = p->fts_link) { 306 smode = p->fts_statp->st_mode & MBITS; 307 if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) { 308 savemode = smode; 309 maxmode = m[smode]; 310 } 311 sgid = p->fts_statp->st_gid; 312 if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) { 313 savegid = sgid; 314 maxgid = g[sgid]; 315 } 316 suid = p->fts_statp->st_uid; 317 if (suid < MTREE_MAXUID && ++u[suid] > maxuid) { 318 saveuid = suid; 319 maxuid = u[suid]; 320 } 321 322 #if HAVE_STRUCT_STAT_ST_FLAGS 323 sflags = FLAGS2INDEX(p->fts_statp->st_flags); 324 if (sflags < MTREE_MAXFLAGS && ++f[sflags] > maxflags) { 325 saveflags = p->fts_statp->st_flags; 326 maxflags = f[sflags]; 327 } 328 #endif 329 } 330 /* 331 * If the /set record is the same as the last one we do not need to 332 * output a new one. So first we check to see if anything changed. 333 * Note that we always output a /set record for the first directory. 334 */ 335 if (((keys & (F_UNAME | F_UID)) && (*puid != saveuid)) || 336 ((keys & (F_GNAME | F_GID)) && (*pgid != savegid)) || 337 ((keys & F_MODE) && (*pmode != savemode)) || 338 ((keys & F_FLAGS) && (*pflags != saveflags)) || 339 first) { 340 first = 0; 341 printf("/set type=file"); 342 if (keys & (F_UID | F_UNAME)) { 343 if (keys & F_UNAME && 344 (name = user_from_uid(saveuid, 1)) != NULL) 345 printf(" uname=%s", name); 346 else /* if (keys & F_UID) */ 347 printf(" uid=%lu", (u_long)saveuid); 348 } 349 if (keys & (F_GID | F_GNAME)) { 350 if (keys & F_GNAME && 351 (name = group_from_gid(savegid, 1)) != NULL) 352 printf(" gname=%s", name); 353 else /* if (keys & F_UID) */ 354 printf(" gid=%lu", (u_long)savegid); 355 } 356 if (keys & F_MODE) 357 printf(" mode=%#lo", (u_long)savemode); 358 if (keys & F_NLINK) 359 printf(" nlink=1"); 360 if (keys & F_FLAGS) 361 printf(" flags=%s", 362 flags_to_string(saveflags, "none")); 363 printf("\n"); 364 *puid = saveuid; 365 *pgid = savegid; 366 *pmode = savemode; 367 *pflags = saveflags; 368 } 369 return (0); 370 } 371 372 static int 373 dsort(const FTSENT **a, const FTSENT **b) 374 { 375 376 if (S_ISDIR((*a)->fts_statp->st_mode)) { 377 if (!S_ISDIR((*b)->fts_statp->st_mode)) 378 return (1); 379 } else if (S_ISDIR((*b)->fts_statp->st_mode)) 380 return (-1); 381 return (strcmp((*a)->fts_name, (*b)->fts_name)); 382 } 383 384 void 385 output(int *offset, const char *fmt, ...) 386 { 387 va_list ap; 388 char buf[1024]; 389 390 va_start(ap, fmt); 391 vsnprintf(buf, sizeof(buf), fmt, ap); 392 va_end(ap); 393 394 if (*offset + strlen(buf) > MAXLINELEN - 3) { 395 printf(" \\\n%*s", INDENTNAMELEN, ""); 396 *offset = INDENTNAMELEN; 397 } 398 *offset += printf(" %s", buf) + 1; 399 } 400
Indexes created Tue Sep 23 22:09:46 GMT 2025